Skip to content
Printable 4th grade science worksheet with 15 questions on atoms, protons, neutrons, electrons, and atomic structure.
Worksheet

Introduction to Atoms

View Worksheet →

Download as-is, or customize
to fit your needs.

About:

This printable science worksheet introduces 4th graders to the basics of atoms with 15 questions on atomic structure and components. Students answer questions about protons, neutrons, electrons, atomic nuclei, electron clouds, and isotopes. Useful for science classwork, homework, or a quick quiz following an atoms unit.

Subject:
Science
Topic:
Chemistry
Grade Level:
4th Grade
Updated September 2025

How to Use This Worksheet

Print this worksheet for classwork, homework, or independent practice. Click 'View Worksheet' to edit questions, adjust formatting, or add your own content before downloading.

Related Activities

Matter and Phase Changes Word Search

This 13-word science word search covers the states of matter and phase changes for students in Grades 4–6.

Matter and Phase Changes Word Search

This 13-word matter and phase changes word search covers essential vocabulary for elementary and middle school science students.

Thomas Edison: Scientific Contributions and Biography

This printable science worksheet introduces 4th graders to Thomas Edison through three open-response questions about his scientific contributions, interesting life events, and historical significance.

Lenses and Mirrors

This printable science worksheet introduces 4th graders to lenses and mirrors through six open-response questions.

Light Behavior

This printable science worksheet for 4th graders explores light behavior through eight short-answer questions.

Organic Molecules Word Search

This 15-word organic molecules word search covers key biochemistry concepts for Grades 9–12 chemistry and biology students.

Browse More Activities